Concentration of credit risk (Details) - USD ($)	3 Months Ended					9 Months Ended		12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Sep. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2026	Mar. 31, 2025	Jun. 30, 2025
Concentration Risk [Line Items]
Concentration Risk, Supplier				two			one
Net income	$ 2,373,436	$ 97,677		$ 271,472	$ 246,021	$ 2,231,261	$ 485,276
Accumulated Deficit [Member]
Concentration Risk [Line Items]
Net income	2,373,436	$ 97,677		271,472	$ 246,021
Customer Concentration Risk [Member] | Customer One [Member]
Concentration Risk [Line Items]
Concentration Risk, Customer						One	One
Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Revenues	$ 2,609,000			$ 3,474,000		$ 8,875,000	$ 9,476,000
Accounts Receivable
Concentration Risk [Line Items]
Concentration Risk, Customer						one	one
Accounts Receivable | Customer Concentration Risk [Member] | Customer One [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage			21.00%			25.00%
Revenue Benchmark | Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Supplier	two					two
Revenue Benchmark | Customer Concentration Risk [Member] | Customer One [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	17.00%			14.00%		14.00%	16.00%
Revenue Benchmark | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	100.00%			100.00%		100.00%	100.00%
Accounts Payable | Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Supplier						one		two
Domestic [Member] | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Revenues	$ 1,587,000			$ 1,789,000		$ 4,946,000
Domestic [Member] | Revenue Benchmark | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	61.00%			51.00%		56.00%	55.00%
International [Member] | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Revenues	$ 1,022,000			$ 1,685,000		$ 3,929,000	$ 4,258,000
International [Member] | Revenue Benchmark | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	39.00%			49.00%		44.00%	45.00%
Supplier one [Member] | Accounts Payable Benchmark [Member] | Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage						30.00%		30.00%
Supplier one [Member] | Revenue Benchmark | Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	37.00%			42.00%		39.00%	42.00%
Supplier two | Accounts Payable Benchmark [Member] | Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage								28.00%
Supplier two | Revenue Benchmark | Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	12.00%			14.00%		12.00%